Merge branch '5864-html-title-password-lost-form' into 'develop'

Load the company name to show in the HTML title tag, fixes #5864

Closes #5864

See merge request ispconfig/ispconfig3!1298

Author: Marius Burkard

interface/web/login/password_reset.php

@@ -179,7 +179,10 @@
 $app->tpl->setVar('base64_logo_txt', $base64_logo_txt);
 
 // Title
-$app->tpl->setVar('company_name', $sys_config['company_name']. ' :: ');
+$sys_config = $app->getconf->get_global_config('misc');
+if (!empty($sys_config['company_name'])) {
+	$app->tpl->setVar('company_name', $sys_config['company_name']. ' :: ');
+}
 
 $app->tpl_defaults();
 $app->tpl->pparse();